Definition of catatonia noun from the Oxford Advanced Learner's Dictionary

 

catatonia

 noun
noun
BrE BrE//ˌkætəˈtəʊniə//
 
; NAmE NAmE//ˌkætəˈtoʊniə//
 
[uncountable](medical) Mental and emotional problems
 
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a condition resulting from a mental illness, especially schizophrenia, in which a person does not move for long periods See related entries: Mental and emotional problems Word Origin late 19th cent.: from cata- ‘badly’ + Greek tonos ‘tone or tension’.
See the Oxford Advanced American Dictionary entry: catatonia